GT 350 intake manifold

[bigoscycles]

Just curious what kind of HP gains people are getting out of the GT350 intake manifold with stock TB at the wheels? Currently running 17/8 longtubes, corsa extreme and JLT cold air. I'm gonna do the NGauge and E85 later on. I figure I'm around 430 at the whels now.

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[Terminator2]

Just curious what kind of HP gains people are getting out of the GT350 intake with stock TB at the wheels? Currently running 17/8 longtubes, corsa extreme and JLT cold air. I'm gonna do the NGauge and E85 later on. I figure I'm around 430 at the whels now.

Roughly 60 whp at 7500 vs the stock intake. Peak to peak normally about 25whp and same torque as stock.

 

[Lonmon]

Roughly 60 whp at 7500 vs the stock intake. Peak to peak normally about 25whp and same torque as stock.

Thats about what I saw and sounds about right. It just feels wild revving to almost 8k. In order to take advantage of the power band it offers you have to have the stones to rev that high.

 

[Anthony 05 GT]

And billet oil pump gears would be a good idea too.

 

[Niz55]

I think he meant cai not manifold. But yeh reving my bitch to 7900 feels and sounds insane.

 

[craigsix]

i gained 21 hp but lost 9 ftlb of torque. with my 3.15 geared auto it wasnt worth it in the 1/4 mile because of the loss of lowend torque. maybe a stick with 3.73s or an auto with 3.55s or stall.

 

[bigoscycles]

I think he meant cai not manifold. But yeh reving my bitch to 7900 feels and sounds insane.

I was talking about the manifold.

 

[venumous]

7850 when I was NA. Dominated my buddy's S197 with stock manifold with full exhaust on the highway 10/10 runs.

 

[Terminator2]

i gained 21 hp but lost 9 ftlb of torque. with my 3.15 geared auto it wasnt worth it in the 1/4 mile because of the loss of lowend torque. maybe a stick with 3.73s or an auto with 3.55s or stall.

Needed higher shift points and a converter. I had a 13 M6 with 3.31s and I gained 3mph and 3 tenths in the quarter mile with a boss manifold. Never noticed a loss of torque the car pulled a lot harder than stock. GT350 is similar but a little less low end torque loss from what I've seen and the imrc should help drivablity vs the boss which honestly wasn't bad with my tune.

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